Printing device for statistical, calculating, and tabulating machines utilizing perforated cards



July 7, 1936.

A. PRINTING DEVICE FOR STA TABULATING MACHINES UTI Filed March 30, 1933 KNUTSEN STICAL, CALCULATING, AND LIZING PERFOKATED CARDS 4 Sheets-Sheet l 3M1" qmmom RFORATED CARDS 4 Sheets-Sheet 2 July 7, 1936 K. A. KNUTSEN PRINTING DEVICE 'FOR STATISTICAL, CALCULATING, A

TABULATING MACHINES UTILIZING PE Filed March 50, 1933 2 046,464 AND ARDS 4 Sheets-Sheet 4 SEN R STATISTICAL, CALCULATING G PERFORATED c 39651: A. KNUT PRINTING DEVICE F0 TABULATING MACHINES UTILIZIN Filed March 30 Patented July 7, 1936 UNITE rnnv'rnvo nnvrcn roa STATISTICAL, GAL- oom'rmo, AND TABULATING MACHINES UTILIZING PERFORA'IED cums Knut Andreas Knutsen, Paris, France" Application March .30, 1933, Serial No. 663,628 In France April 9, 1932 16 Claims.

The present invention has for its object a printing device particularly adapted to be used in combination with statistical, calculating and tabulating machines utilizing perforated cards.

The printing device according to my invention is such that a wheel carrying the types is given, at the time of the printing, a rolling movement v with respect tothe surface of the-paper, so that the instantanwus absolute velocity of the point of contact with the paper maybe zero. To this effect, the printing device can be made as described in my U. S. Patent application Ser. No. 540,166, filed May 26, 1931, and especially as disclosed in my U. S. patent application Ser. No.

545,121, filed June 17, 1931, and comprises a movable carriage or support on which is mounted the type carrying wheel, and also transmission means for operatively connecting the spindle of said wheel to a toothed wheel rotating synchronously with the main shaft of the machine. when a type of the type carryingwheel is to be printed, a toothed organ carried by an oscillating lev'er comes into mesh with one" of the toothed wheels of the carriage or support and then acts as, a

stationary rack for said wheel so that the carriage or support is given a translatory movement in the course of which the type carrying wheel comes into contact with the paper as if it rolled thereon.

The object of myinvention is to provide a device of that'character in which the type to be printed, the velocity of which in a direction parallel to the paper is zero, is given, at the very time of the printing, a sudden movement toward the surface of the paper, which produces the striking of said. type-against the paper.

In an embodiment of my invention, this result is obtained by means of a guiding surface of suitable outline that acts'on the carriage so 4-) that the type carrying wheel may be given, besides its rolling movement on the paper, a sudden'movement toward the surface of the paper which produces the striking of the type to be printed against said paper.

4 Another object of my invention is to provide a printing device of that kind such that each of the type carrying wheels comprises a great number of signs, thirty or more for instance, which can be printed selectively according to the loca- 50 tion of the perforations that are provided inv the columns of the cards that pass through the tabulating machine.

In order to obtain this result, while keeping the usualsize for the cards, which comprise, for

55 instance, in each column, twelve lines capable of receiving perforations, the individual. or single, perforations which correspond to certain signs according to the rank that they occupy in the columns of the cards are completed by other perforations, forming groups in said columns, 5 Y which correspond to other signs. For instance the first lines of the card, thatls those with which the contact device first comes into register, are reserved, so that a perforation made in one of said lines corresponds in itself to no sign, while in the following lines, each perforation corresponds individually to a letteror a sign. Under these conditions, a. certain number of signs can be represented by a perforation made in one of the reserved lines combined with a second per- 15 foration made in one of the following-lines. By way of example, if it be supposed that each column of the card comprises twelve lines, the two first lines will correspond to no letter and the alphabet will begin at the third line: A perfog0 ration in this'third line represents letter A, a perforation in-the fourth line letter B, and so on as far as letter J, which'will be represented by a perforation in the twelfth line. The letters following letter J will be represented by the combi- 25 nation, in the same column, of a perforation in the two reserved lines with a perforation in one of the other lines. Thus K will be represented by a perforation in the first line and a perforation in the third line, L by a perforation in the first 30 line and one in the fourth line, and so on.

Each printing device comprises, in combination with the type carrying wheel, a selecting device' actuated by the contact device or card examining device either electrically or mechanically and 35 which determines the printing of .the character or sign of the type carrying wheel that corresponds to the rank, or ranks, of the perforation, or perforations, met by the contact device in a given column. 40

In an embodiment of my invention, this selecting operation is performed as follows: Thetype corresponding to a character is located on the type carrying wheel 'a given number of positions away from the character that precedes it in a standard list of said characters. In other words, each letter is located a given numberof positions away from the preceding letter of the alphabet. This given number of positions is advantageously equal to three. Thus A being the first letter on the wheel, 3 is the fourth letter, C is the seventh, J is the twenty eighth. To each of these characters there corresponds a perforation in one of the lines following the two first ones, which are reserved. K is the third character, L

is the sixth one, M is the ninth one, N is the twelfth one, and so on. To each of the last mentioned letters there corresponds two perforations, one in the first line of the card and the other one in one of the other lines starting from the third. U is the second character on .the

wheel, V is the fifth, W is the eighth, and so on. To each of the last mentioned letters there corresponds a group of two letters, one in the second reserved line and another one in one of the other lines starting from the third, and so on.

The selecting mechanism operated either electrically or mechanically from the contact device, that is to say the mechanism that appliw, at the proper time, a toothed sector acting as arack against one of the toothed wheels of the set of wheels of the carriage and which therefore gives the carriage and the type carrying wheel their printing displacement, comprises a cam driven synchronously with the main shaft of the machine and a lever one of the ends of which is in contact with said cam. The other end of said lever, the position of which is modified by'the rotary movement of the cam, forms a stop of variable position adapted to coact with a pivoting toothed lever in mesh with the toothed sector that forms the rack. When the contactdevice comes into register with one of the perforations of the card (synchronously with the position of the type carrying wheel, the contact organ being in register with the line of the card that corresponds to letter A when the type marked A of the type carrying wheel is in a position such that it can be printed) the toothed sector acting as a 'rack is immediately caused, through the transmission existing between the contact device and the selecting device, to come into contact with one or the toothed wheels of the movable carriage. Atthe same time, the toothed lever in mesh with said sector is prevented from moving by the lever resting on the cam. Under these conditions, the toothed sector that acts 'as a cam is fixed on its axis and the carriage immediately brings the type carrying wheel into the printing position. If,'on the contrary, the contact organ comes into register with a perforation of the first lines of the card (reserved lines), which perfora-- tionhas only a meaning if combined with a second perforation of one of the following lines, the toothed sector is not immediately applied against one of the toothed wheels of the carriage,

due to the action of a second cam which then locks the/lever that carries this sector. Theap- 'plication of the toothed sector against one of the toothed wheels of the carriage takes place only when the contact organ meets another perforation, while the lever associated with the selecting cam is locked, by a device brought into action by the meeting of the first perforation with the contact organ,-in such a position that it leaves to the toothed support in mesh with the sector a freedom of movement which varies accordingto the rank of. the line in which was the first perforation. It follows .that the toothed sector is not locked in a fixed position when it comes into contact with one of the toothed wheels of the carriage. It therefore rotates about its axis through a certain angle corresponding to the freedom ofmovement left by the selecting lever .to the toothed u port. When the toothed sector has moved through said angle, it is locked in its present position and the type carrying wheel is brought into its printing position. The distance between the type that is printed on the first series of characters (characters correspond-.

ing to a single perforation) corresponds to the freedom that has been left bytheselecting lever to the toothed support in mesh with the sector that acts as a rack.

A preferred embodiment of my invention will be hereinafter described withLreference to the accompanying drawings, given merely by way of example, and in which: 1

Figs. 1 to 4 inclusive each show a vertical diagrammatic sectional. view of a printing device cording to my invention, these respective views showing the apparatus in different positions of its operation;

Fig. l-shows the apparatus in the position of rest;.

Fig. 2 shows the apparatus in the position that corresponds to the printing of a character of the first series, corresponding-to a single perforation of the card (in the specific example shown in Fig. .2, letter- A); I

Fig. 3 shows the apparatus in the position corresponding to the printing of a character or sign of the second series, corresponding to two perforations one' of which is located in the first line of the card (in the drawing character K); Fig. 4 is'a'similar view corresponding to the printing of a character-or sign 'of the third series, corresponding to two perforations one of which is located on the second line of the card (in the example, character U);

' Fig.5 is a partial end view of the machine; Fig. 6 is a plan view of a perforated card show- The whole of'the printing devices-one of which is shown on any of the views of Figs. 1 to 4 inclusive, is driven by a-common shaft I which turns synchronously with the tabulating machine so that the type carrying wheels 1 of all the;

printing devices may turn one revolution foreach perforated card passing through the contact device of the machine.

The tabulating-machine may be either wholly mechanical or electrical. In the example that has Just". been described in the drawings, it is electrical, so that every perforation of a card admitted through'the machine produces, at the time of its passing in front'of the contact device, an electric current which is conveyed to the electro magnet that controls 'the printing device corresponding to said contact device and brings said device into action. The columns ofv ,a statistical cardgenerally comprise only twelve lines of perforations, as shown in Fig. 6. In order to represent, through said perforations, thirty characters or signs or even more, futilize, accordingto my invention, a system of perforations, an example of which 'is shown in Fig. 6. The two lines of the perfo divided into three series.-

IIn the first series, which goes from A to J, each character is representedv by a perforation in one of the lines'foliowing the third line inclusive (line 7) reckoning in the direction in which the contact device moves relatively to the card.

:In the second series, the characters are repre- 7 ginning at line "I.

In the third series, beginning at letter U, the characters are represented by the combination of a perforation in line 8 and a perforation in one of the lines beginning at line "I.

Instead of 30 characters, I might as well represent more, by reserving for instance line 7 as shown in the portion of Fig. 6 located on the right hand side of the dotted line.

The machine which will be described with reference to Figs. 1 to 4 corresponds to a card containing only 30 characters, that is to say, perforated according to the system shown in the left hand side of Fig. 6.

I will now describe with reference to the drawings, the structure of one printing device, it

being well understood that that description applies to all the others.

Main shaft I, which runs over the whole length of the machine, is provided with plnions 2 keyed thereon and meshing with a toothed wheel 3.

Wheel 3 is rigidly fixed to toothed wheel 4 which drives toothed wheel 5 through intermediate wheel 5. Wheel 8 is rigidly fixed to type-carrying wheel 'I over the circumference of which the types are distributed with a three-spacing arrangement as above explained, and as shown in Fig. 1.

Wheels 3, 4, 5, 5 and 1 revolve about their spindles 33, 32 and 33, which are fixed on movable support or carrier 3|. Shaft I is connected with the tabulating machine in such manner that wheel 3 and type-carrying wheel I turn synchronously with the tabulating machine. In other words, every time a perforated card passes through the tabulating machine, wheel 3 and type-' carrying wheel I make a complete turn. Support 3| is provided with three projections or arms 34,.35 and 35. On arm 34 there is fixed pin 31 about which is pivoted connecting rod 38. The other end of said connecting rod is pivoted at 39 to support 4| integral with the frame of the machine. Arm 35 is provided with a pin 42 carrying a roller 43 running along the guiding surface 55 of lever 44. The third arm, 35, has a surface 45 against which rests a roller 45 carried by a pin 41 fixed to a lever 48 pivoted about spindle 49. At the other end 53 of lever '48, there is fixed a spiral spring 5| attached at 52 to" support 53 rigidly fixed to the frame. Spring 5| tends to push lever 48 and roller 45 against the arm 35 of support 3|,so that said support 3| and roller 43 carried by arm 35 are applied against the guiding surface 55 of lever 44 which is provided with a small projection I23. Lever 44 is pivoted about spindle 54, and its end 59 is attached to a spiral spring 53 fixed to stationary support 5|. Said spring 53 tends to apply lever 44 against the lower part 52 of support 5|.

The type-carrying wheel I, when in position of rest, bears against inking cylinder 83, so that when wheel I rotates, types 8 roll upon the inking cylinder 53. Paper cylinder 54, which carries paper 55, guided by members 55, and which is adapted to revolve about its axis, is locked in a suitable manner during the printing operation.

A bar 51 carried at both ends by levers. 59 pivoted about spindlev I3 integral with the frame of the machine, serves to bring movable support 3| from its upper position, or printing position,

(Figs. 2 to 4) to its lower position or position of rest (Fig. 1) by hearing against a projection 88 roller I32. vA. spring 99 fixed to is fixed to lever 59 at II and to theframe of the machine at I3. The-rotation of cam I9, which takes place synchronously with that of shaft I,

and consequently with that of the tabulating 5 machine, as will be hereinafterde'scribed, therefore causes support 3| to be brought back into its position of rest through-the action of bar 51 and projection58.

Support I8, which is integral withthe frame of the machine, carries two spindles I1 and I8 about which lever I9 on the one hand, and levers 83 and 3| on the other hand, are respectively pivoted. The end 83 of lever I9 is maintained in the'position shown in Fig. 1 by a projection 84 of lever 85. Lever I9 is provided at its upper part'with two teeth 88 and 81 which may engage with a tooth 88 of lever 89. A spring 92 fixed at 9I to lever '19, and at 9| to a support 93 integral with the frame of the machine tends to apply a boss 93 of lever I9 against a cam 29. r

Lever 83 carries at its upper part a set of teeth 94 and a second set of teeth consisting of three 3 stop teeth 95, 98,91. At its lower part said lever carries a. spindle I3I on which is journalled a 5 lever 83 at 98, the other end of which is fixed to a support I33, rigidly connected to support I5, serves to maintain said lever 33 in the position shown in Fig. 1 in which its lower part is applied against the edge of said support I33. Lever 8| carries at its left hand end, a spindle I38 about which a toothed section I39 meshing with the teeth 94 of lever 83, can pivot. The end I33 of lever 8| is maintained in. the position of Fig. 1 by the projection 84 of lever 85; which also looks the end 83 of lever I9 in position as above stated. In its middle part, lever 8| carries a spindle I provided with a roller I3I which spring I34, fixed to support I35 integral with the frame, tends to apply against cam 22.

Lever 89 can pivot about spindle I I3 fixed to support I II integral with the frame. Said lever 89 is provided at its upper end with aspindle. I I2 carrying a roller II3 which a spring II4, fixed to bar I35 integral with the frame, applies against cam 24. The left end of said lever 89 fornis a stop 5 and is provided with a tooth 38. Lever 85 pivots about spindle II5 fixed to support I'I'I integral with the frame of the machine.

' It carries at its upper part projection 84 that sidered. A spring I28 fixed to bar I29 integral with the frame, serves to bring lever 35 back into the position of Fig. 1.

Toothed wheel 9, carried by main shaft I, is in. mesh with a toothed wheel I3 which is keyed on a shaft |I carrying a cam I2 which runs over its whole length. Toothed wheel 9 is also in mesh with a toothed wheel I3, which is keyed, same as toothed wheel I4, on shaft I5 journalled in the frame. Toothed wheel I4 meshes. with wheel I8 which is connected through toothed wheel 23 with toothed wheels 23 and 51.

'Wheel I5 is carried by shaft II which carries at one of its ends a cam I9 and over its whole length cam I8. Wheel 23 is keyed on shaft 2| carrying cam 22 which extends over its'whole length. Wheel 23 is'keyed on shaft 24'. carryin g ing cam 29. The toothed wheels have diameters such that shafts II, .|I,-2I, 24 and 28 turn synchronously with wheel 3 and type-carrying wheel 1, in such manner that when wheel 3 makes a turn, the other shafts also make a turn.

To each type-carrying wheel of a printing device, there corresponds a movable support 8|," toothed wheels 3, 4, 5, 5 and "I, levers "I9, 80, 8I,. '89, 44, 48 and 85, connecting rods 38 and H9 and electro-rnagnet I22.

' On the contrary, the following organs are common to all the printing devices, therefore to all the type-carry ng wheels, to wit, cam shafts I1, 2|, 24, 28 and 51, spindles-39, 54, 11, I8, H0 and H6, supports 4|, 53, I9, III and 1, paper cylinder 64, inking cylinder 63, and finally supports 52, 62, 93, I00 and I05. The organs for driving the camshafts are mounted outside of the frame (Fig. 4). i

The camshafts are so adjusted that when the contact device is located above the first line of the perforated card (designated by reference number 9 in Fig. 6) roller 3 of lever 99 rests against portion 25 of cam 24, and roller I06 of lever 8| rests against a portion 22 of cam 2|, said lever 8| being thus locked in position.

As the card further moves in the direction of arrow F (Fig. 6) the contact organ passes over line 8 and cam 24 has'now turned through an angle such that roller 3 of lever 89 rests against portion 28 of said cam, portion 22 of cam 2| still blocking lever 8|.

It will first be supposed that there was no perforation in lines 9-and 8 of the card, but only one perforation in line I, which perforation corresponds to letter A, according to the arrangement illustrated in Fig. 6. During the forward movement of the card, which brings line I under the contact device, cam 2.4 further rotates softhat roller||3 of lever 89 rests upon portion 21 of said cam, while the projecting portion 22 ,of cam 2| is no longer in contact with roller I09 of lever 8| (Fig. 2).

Due to the presence of a perforation in line'l,

the contact device closes the circuit of electromagnet |22,.which draws armature |2| towards itself. Said armature rotates about its axis I25 and causes lever. 85 torotate in a likewise manner due to the presence of connecting rod II9. Le-

vers 19 and BI are released by hook 94, and rotate about their respective axes- I8 and IT in an anti-clockwise direction under the action of springs 92 and I04 respectively.

The fact that lever I9 is released has no effect whatever at the present time, because the projection'90'of said lever is now restingagainst cam 29. The movement of level 8| causes toothed sector I09 to come into mesh with toothed wheel 3 and to turn through a small angle about its axis I08, due to its beingin mesh with teeth 04 of lever 80. Teeth 94 are themselves stationary because lever is blocked by the end II5 of lever 89 which rests upon projection 91 of lever 80. Wheel 3, which is constantly rotated by main shaft I, is therefore instantly-stopped at the point where it meshes with sector I09. It therefore rolls alongthe teeth of sector I89 so s ren an upthat itsspindle and support 3| are ward translatorymovement. I

In the course of this movement, the velocity of the tooth of wheel 3 that is in contact with sector I09 is equal to zero, and it follows that the character A- of the type-carrying. wheel, :which occupies on said wheel a place correspondstea port 3|, roller 43 strikes projection I 23 of surface 55, thus imparting to support 3| and to'the type-carrying wheel, a sudden movement toward the paper.- Type A of the type-carrying wheel, the vertical velocity of which at this time is equal to zero, is then struck against the paper and printed. 15

As projection I23 is very short in the vertical direction, roller 43 passes very quickly over said projection, and the type-carrying wheel together with support 3| oscillates towards the left hand side of the figure under the action of spring 5| 20 transmitted through lever 48 and roller 45.

Lever 44 may be so adjusted that if roller 42 moves slowly past projection I23, the type-carrying wheel does not touch the paper, and that only when the machine is working at high speed does 25 the striking of roller 43 against projection I23 give the type-carrying wheel sufiicient acceleration in order that it may reach the paper and strikea character against said paper substan-- tially in the same manner that the types of an 30 ordinary typewriter are struck on the cylinder.

Support 3| subsequently reaches its upper position, in which it is locked by roller 48 which bears against the lower :face 02! surface 45,' until it is brought back into its initial position '35 by barGI as above explained. V

While support 3| is moving down, cam I2, which bears against projection 58, causes lever 44 to turn in an anti-clockwise direction so that roller, 43 does not come into contact with projection I23, and the type-carrying wheel remains applied against inking roller 03. During the same time, cam 25 lifts lever 89, while cams *29 and 22 bring levers I9 and '8I back into their initial position in which said levers are locked by the hook 84 of lever 85. Cam I8 acts as a safety organ which imperatively brings lever 80 back into its initial position.

Every time a column is provided with a single perforation in line I of the card, the lower device corresponding to the contact organ of said column will print character A in the manner which has just been described. I

If, in the column in question, the card is provided with a single perforation located in line 8 corresponding to letter B, the contact will be produced only when saidperforation comes under the contact device, that is to say, when wheel 9 and the type-carrying wheel of the corresponding printing device have moved forward 80 through an angular displacement corresponding to three teeth with respect tothe position that they occupy when the contact device was over line 7. While the electro-magnet is energized. sector I09 comes into mesh 3 which is distant from the position above considered on wheel 3 by three teeth. Therefore, the type that comes into the printing position is also distant by three types from the position above considered on type-carrying wheel I. Said type 70 ggrelfore corresponds to letterB as shown in with a tooth of wheel 05 :aoeaeec along wheel 3, that is to say, six teeth behind the tooth of wheel 3 that comes into contact with sector I09 when the perforation is made in line 1 of the card. I

Letters A to G each represented by a single perforation as shown in Fig. 6 are distributed over the periphery of type-carrying wheel 1 with an interval of three teeth between two consecutive letters. The two intermediate types of each interval correspond to a group of two perforations in each column of the card, and I will now explain how said types are printed.

As shown in Fig. 6, letters K to T are each represented'by two perforations, one of which is in line 9.

It will first be supposed that the card is perforated in the column in question at lines 9 and '1 (letter K).

When perforation 9 comes above the conta device, roller H3 is applied against the portion of cam 24, and projection 22 of cam 2I locks lever'8I. When the electro-magnet is energized, lever 85 releases levers I9 and 8I. Lever I9 rotates under the action of spring 92. Tooth 85 engages in tooth 88 and locks lever 89 in its position. Lever 8| cannot move since it is blocked by cam 22. When the card is moved forward, perforation 9 is no longer under the contact device, the electric circuit is cut off, the electromagnet is no longer energized and the hook 84 of lever 85 comes back above the end I03 of lever 8| which is thus locked.

As the card further moves, the passage of perforation I under the contact again causes the electro-magnet I22 to be energized and lever 85 again releases lever 8|. The projection 22 of cam 2I is no longer located opposite roller I01,

and lever 8| can rotate about its axis I8 under the action of spring I04. Sector I09 comes into mesh with wheel 3 as above explained, but as lever 89- is stopped by tooth 88 in the position shown in Fig. 3, lever 80 is maintained in its position merely by the weak spring 99 which applies it against bar I00.

When sector I09 comes into mesh with wheel 3, the latter, rotating with a certain speed of revolution in the direction of the arrow, drives sector I09 in an anti-clockwise direction. Sector I08, by rotating about its spindle I09 transmits the movement ofwheel 3 to toothed part 94, and lever 80 is swung until tooth 95 strikes the end II5 of lever 89. Lever 80 stops in that position in which it is blocked by lever 89 (Fig. 3). As toothed part 94 is now stationary, sector I09 is in turn blocked and acts as a rack for wheel I03 which is compelled to move upwardly by rolling thereon. The swinging movement of lever 80 corresponds to a rotation of two teeth of wheel 3, which means that the tooth ofwheel 3 that is stopped by sector I09 and the velocity of which is equal to zero, is distant from the tooth that was stopped for the printing of character A? .by an interval corresponding to two teeth of wheel 3. Consequently, the type of the typecarrying wheel which is now in printing posi-i tion is distant from the type corresponding to' as when characters A or K'were to be typed.

Due to this meshing, sector I09 turns about its axis I08, and lever 80 swings until tooth 96 strikes stop I I5 of lever 89 (Fig. 4). Wheel 3 then moves upwardly by rolling on sector I09 which is stationary. The type that is printed is therefore distant from character A by an interval corresponding to one type of the circumference of type-carrying wheel I.

It will now be understood how the perforations of lines 8 and 9 of the card produces the backward movement of lever 80. The meshing of sector I09 with wheel 3 is controlled by the ordinary perforations indicated on the card by a number equal to or smaller than 7, and the meshing is exactly the same whether or not there is in the column a supplementary perforation in line 8 or 9.

Once this meshing has taken place, wheel 3 moves upwardly with a rolling movement in three different ways accordingly as there are supplementary perforations or not, by printing one of the three different consecutive characters of the type-carrying wheel. In the case in question, the arrangement comprises ten ordinary perforations and two supplementary perforations which permits to represent different characters as shown in the first thirty columns of the card shown in Fig. 6. But the system above described can also be utilized for printing more than thirty characters, for instance by utilizing perforations card shown in Fig. 6. In this case, lever 80 character A by an interval corresponding to two successive teeth of said type-carrying wheel 1.

It will now be assumed that the card is perforated in the column in question in lines '8 and '7 (character U"). When perforation 8 passes under the contact device, roller II 3 rests upon portion 28 of cam 24, the electro-magnet, is energized and lever 19 is released by hook 84 and locks lever 89 by tooth 81 in the position shown would be provided with a fourth tooth (besides teeth 95, 96, 91), cam 24 would be provided with a fourth stop (besides stops 25, 28, 21) lever 19 would be provided with a third tooth (besides tooth 8B, 81) and projection 22 of cam 2I would be lengthened so as to still block lever 8| when perforation I arrives under the contact organ.

The type-carrying wheel would be of greater dimensions, and would comprise 39 types and wheel 3 would be provided with 15 supplementary teeth.

- It would be still easier to utilize merely one perforation for the figures and a combination of two perforations for the letters. The movement wauld takeplace as above described, and it is not necessary to explain how this system would then work.

' While I have described what I deem to be practical and efficient embodiments of my invention, it should be well understood that I do not wish to be limited thereto, as there might be changes made in thearrangement, disposition and form of the parts without'departing from the principle of my invention as comprehended within support, a plurality of types along the periphery of said wheel, a toothed wheel rigidly fixed to said type-carrying wheel in coaxial relation therewith, another toothed wheel parallel to the first mentioned one and of equal diameter journalled on said support and adapted to rotate synchronously with the first mentioned wheel, means for driving the last mentioned toothed wheel, means for stopping one point of the periphery of the last mentioned toothed wheel so that said wheel is compelled to roll about said stopping means, and means for imparting to said support a movement at right angles to its translatory motion during said rolling movement of the last mentioned wheel.

2. A printing machine especially adapted to be used in connection with tabulating or similar machines for perforated cards, which comprises in combination, a stationary frame, a paper cylinder journalled in said frame, a movable support of elongated shape extending in a direction substantially at right angles to the axis of said cylinder, a member carried by said frame and having a guiding surface substantially parallel to the general direction of said support, an arm rigidly fixed to said support, a roller carried by said arm adapted to cooperate with said guidin surface, a projection at a point of said guiding surface, a connecting rod pivoted at one end to said frame and at the other end to said support,

a type-carrying wheel journalled on said support about an axis parallel to said cylinder, a plurality of typesalong the periphery of said wheel, a toothed wheel rigidly fixed to said type carrying wheel in coaxial relation therewith, another toothed wheel parallel to the first mentioned one, and of equal diameter, journalled on said support, positive means for angularly connecting said toothed wheels together so that they rotate synchronously, means for driving the last mentioned toothed wheel, and means for stopping one point of the periphery of the last'mentioned toothed wheel so that it is compelled to roll along said stopping means.

3'. A printing device according to claim 12 in which the member having a'guiding surface consists of a lever pivoted to said frame, said device further comprising means, including an elastic organ, for keeping said lever in cooperating rela 4 tion with said roller for one direction of displacement of said roller with respect to said guiding surface, means for bringing back said support to its initial position after its movement in said direction, and means for moving said lever during the movement of the support in the opposite direction, against the action of said elastic organ;

so that said roller no longer runs along said guiding surface.

a. A printing machine especially adapted to be used in connection with tabulating or similar machines for perforated cards, which comprises in combination, a stationary fe, a paper cylinder journalled in said frame, a type-carrying Wheel, a plurality of types along the periphery of said wheel, a support for said type-carrying wheel adapted to move with a translatory motion with respect to said frame, a toothed wheel carried by said support and adapted to rotate synchronously with said type-carrying Wheel, means for driving said toothed wheel, means for stopping one point of the periphery of the toothed wheel so that said toothed wheel is compelled to roll along said stopping means, means for bringing said stopping means into contact with said toothed wheel, and means for allowing said stopping means to move 5 together with the last mentioned wheel to a de-- termined limited extent, Y

, 5. A printing machine especially adapted to be used in connection with tabulating or similar ma= chines for perforated cards, which comprises in combination, a stationary frame, a paper cylinder journalled in said frame, a support adapted to move with a translatory motion with respect to said frame, a type-carrying wheel journalled on said support, a plurality of types along the pel5 riphery of said wheel, a toothed wheel rigidly fixed to said type-carrying wheel in coaxial rela= tion therewith, another toothed wheel of equal diameter journalled on said support, a pinion journalled on said support and meshing with the 20 above mentioned toothed wheels so that they ro= tate at the same speed of revolution and in the same direction, a main driving shaft for the ma chine, a toothed wheel on said shaft imperatively connected with the last mentioned toothed wheel, 25 a lever pivoted to said frame, a toothed sector journalled on said lever and adapted to mesh with the second mentioned toothed wheel, means for rotating the last mentioned lever so as to bring said sector into mesh with the second mentioned 30 toothed wheel, another lever journalled on said frame about the same axis as the lastmentioned lever, a toothed sector formed in the last men tioned lever constantly in mesh with the first mentioned toothed sector, and means for stopping the last mentioned lever in a given angular position.

. 6. A printing machine especially adapted to be used in connection with tabulating or similar machines for perforated cards, which comprises in combination, a stationary frame, a paper cylinder journalled in said frame, a support adapted to move with a translatory motion with respect to said frame, a' type-carrying wheel journalled on said support, a plurality of wheels along the periphery of said wheel, a toothed wheel rigidly fixed to said type-carrying wheel in coaxial relation therewith, another toothed wheel of equal diarn eter journalled on said support, a pinion jour= nalled on said support and meshing with the 50 above mentioned toothed wheels so that they rotate at the same speed of revolution and in. the same directioma main driving shaft for the ma= chine, a toothed wheel on said shaft operatively connected with the last mentioned toothed wheel, a lever pivoted to said frame, a toothed sector journalled on said lever and adapted to mesh with position which it occupies when said fourth lever 70:

is released by the last mentioned locking means, a plurality of stops carried by the second lever adapted to cooperate with the corresponding portion of the third lever so that said second lever is stopped by said third lever in a certain position 7;

' mentioned elastic means, and a cam rotating syndepending on the position of said third lever, a plurality of teeth carried by said second lever and constantly in mesh with said toothed sector, elastic means for rotating said first lever into mesh with said second mentioned toothed wheel, looking means for preventing the action of the last chronously with said main shaft for keeping the fourth lever in its position of rest against the action of the elastic means that cooperate therewith, during a certain period of the rotation of said last mentioned cam.

7. A printing machine especially adapted to be used in connection with tabulating or similar machines for perforated cards, which comprises in combination, a stationary frame, a paper cylinder journalled in said frame, a movable supportof elongated shape extending in a direction substantially at right angles to the axis of said cylinder, a member pivoted to said frame and having a guiding surface substantially parallel to the general direction of said support, an arm rigidly fixed to said support, a roller carried by said arm adapted to cooperate withsaid guiding surface, elastic means for applying said roller against said guiding surface, a projection at a point of said guiding surface means for moving said member out of cooperating engagement with said roller for one direction of displacement of said support, a connecting rod pivoted at one end to said frame and at the other end to said support, a type-carrying wheel journalled on said support, a plurality of types along the periphery of said wheel, a toothed wheel rigidly fixed to said type-carrying wheel in coaxial relation therewith, another toothed wheel of equal diameter iournalled on said support, a pinion journalled on said support and meshing with both of the above mentioned toothed wheels so that they rotate at the same speed of revolution and in the same direction, a main driving shaft for the machine, a pinion on said shaft" operatively connected with the last mentioned toothed wheel, a lever pivoted to said frame, a toothed sector journalled on said lever and adapted to mesh with the second mentioned toothed wheel, means for rotating the last mentioned lever so as to bring said sector into mesh with the second mentioned toothed wheel, another lever joumalled in said frame about the same axis as the last mentioned lever, a toothed sector on the last men tioned lever constantly in mesh with the first mentioned toothed sector, and means for stopping the last mentioned lever in a given angular position.

8. A printing machine especially adapted to be used in connection with tabulating or similar machines for perforated cards, which comprises in combination, a stationary frame, a paper cylinder journalled in said frame, a movable support of elongated shape extending in a direction substantially at right angles to the axis of said cylinder, a member pivoted to said frame and having a guiding surface substantially parallel to the general direction of said support, an arm rigidly fixed to said support, a roller carried by said arm adapted to cooperate with said guiding surface, elastic means for applying said roller against said guiding surface, a projection at a po nt of said guiding surface, means for moving said member out of cooperating engagement with said roller for one direction of displacement of support, a plurality of types along the periphery of said wheel, a toothed wheelrigidly fixed to said type-carrying wheel in coaxial relation therewith, another toothed wheel of equal diameter journalled on said support, a pinion journalled on p 5 said support and meshing with both of the above mentioned toothed wheels so that they rotate at the same speed of revolution and in the same direction, a main driving shaft for the machine, a pinion on said shaft operatively connected with the last mentioned toothed wheel, a lever pivoted to said frame, a toothed sector journalled on said lever and adapted to mesh with the second mentioned wheel, another lever journalled in said frame about the same axis as the last mentioned lever, a third lever journalled in said frame, a roller carried by said third lever, a cam rotating synchronously withsaid main shaft adapted to cooperate with the last mentioned roller, a fourth lever journalled in said frame, elastic means for 2 rotating the last mentioned lever, locking means for normally preventing the last mentioned lever to rotate under the action of said elastic means, means carried by said fourth lever for blocking the third lever in the position which it occupies 5 when said fourth lever is released by the last mentioned locking means, a plurality of stops carried by the second leveradapted to cooperate with the corresponding portion of the third lever so that said second lever is stopped by said third 30 lever in a certain position depending on the position of said third lever, a plurality of teeth caring said first lever into mesh with said second mentioned toothed wheel, locking means for preventing the action of the last mentioned elastic means, and a cam rotating synchronously with said main shaft for keeping the fourth lever in its position of rest against the action of the elastic means that cooperate therewith, during a certain period of the rotation of said last mentioned cam.

9. In combination with a tabulating or similar machine utilizing perforated cards, a printing machine comprising a stationary frame, a paper supporting platen, a support adapted to move with a translatory motion with respect to said frame in a direction substantially at right angles to the axis of said platen, a typewheel having a plurality of type elements on the periphery thereof, means for imparting both translational and rotational motion to the typewheel so that said type wheel performs a rolling motion in respect to the paperon the platen, and means for imparting to said support a movement at right angles to its translatory motion during said rolling motion of the typewheel.

-10. 'In combination with a tabulating or similar machine utilizing perforated cards, a printing machine comprising a stationary frame, a paper supporting platen, a support adapted to move with a translatory motion with respect to said frame in a direction substantially at right angles to the axis of said platen, a typewheel having a plurality of type elements on the periphery thereof, means to rotate said wheel, blocking means adapted to cooperate with. said rotating typewheel for changing said rotation to both translational and rotational motion of the typewheel so that the typewheel performs a rolling motion with respect to the paper on the platen, said blocking means being so arranged as to be able to move after its initial engagement with the typewheel, so that the typewheel is allowed to osa es movement, and means wherebyja erent group turn through a certain angle ,;-"-'-dent on the above mentioned movement oi the blocking means, and means for stopping said movement of the blocking means in diflerent positions thereof whereby difierent groups of characters may be printed.

11. A printing machine especially adapted to be used in connection with a tabuiating machine for perforated cards and the like, comprising a statlonary frame, a platen, a typewheel support, a typewheel rotatably mounted on said support adjacent said platen, said typewheel having a plu= rality of type elements on the periphery thereof, means for imparting to the typewheel support a translatory movement with respect to the platen, in a plane substantially at right angles to said platen, means for'imparting to the typewheel rotary movement in addition to the translatory movement derived from its support, such that it performs a rolling movement in relation to the platen in a plane substantially at right angles to the said platen, and means for giving the typewheel during-said rolling movement, an additiona1 movement directed against the platen, whereby the typewheel strikes .the platen.

12.;Aprinting machine especially adapted to be used in; connection with a tabulating machine for perforated cards and the like, comprising a stationary frame, a platen, a typewheel support,

- a typewheel'rotatably mounted on said support adjacent said platen, said typewheel having a plurality of type elements on the periphery there- 'ofiihejans for impartingto the typewheel support a "translatory movement with respect to the platen; in a plane substantially at right angles to said platen, means for imparting to the typewheel rotary movement in addition to the translatory gmovement derived from its support, such that itperforms a rolling movement in relation totheiplaten in a plane substantially at right angles ,to the-said platen, means for giving the typewlieel during said rolling movement, an additional movement directed against the platen, wherebythe typewheel-strikes the platen, and meanspermitting the typewheei to spring. back in the very moment it hits the platen.

Trains-printing machine especially adapted to be used in connection with a tabulating machine for perforated cards and the like, comprising a stationary frame, a platen, a typewheel support,-

a typewheel rotatably mounted on said support 'adjacentesaid platen, means for rotating said type'wheel, means for imparting to the typewheel support a translatory movement with respect to the platen in a planesubstantially at right angles to the platen, blocking means adapted to co operate with a toothed wheel having driving en-= gagement with the typewheel, means for engaging the blocking means with the said toothed wheel,

'- meansfor moving the blocking means after it has been engaged with thetypewheei, allowing the typewheel to continue its. rotation, means ifor immobilizing the blocking means in difierent positions after it has been engaged with the typewheel, means whereby when the blocking means has been immobilized, there is imparted to the typewheel a rolling movement with respect to the platen as a result of the movement of said support, in a plane substantially at right angles to ,said platen, means for printing a selected one of the types on the typewheel during said rolling of types may be printed for each determined position in which the blocking means has been im= mobilized.

1a. A printing machine especially adapted to for selecting, without stopping or modifying the rotation of the typewheel, the group to which the type to be printed belongs, means for selecting within each group the type to be printed, means whereby in order to print one single de termined type, both the group selection and the type selection may be initiated and completely executed, and the type printed during one single revolution of the typewheel, and means whereby the typewheel may be ready to print another type without changing, its direction of rotation.

15. A printing machine especially adapted to be used in connection with a tabulating machine for perforated cards and the like, comprising a. platen, a typewheel support, a typewheel rotatably mounted on said support adjacent said platen, said typewheel having a plurality of type elements on the periphery thereof, which type elements belong to difierent groups of types, means for rotating the typewheel, means for selecting without stopping or modifying the ro tation of the typewheel, the group to which the type to be printed belongs, means for selecting within each 'selected group the type to be printed, said means for group selecting and type selecting comprising one single magnet for each typewheel, an armature for said magnet controlling both said selecting means and a separate control for said second selecting means adapted to inain= tain it inactive on the first energization of said magnet, whereby the group is selected when said of the machine, and the type to be printed within the selected group is selected when said mag= net is energized the second time during said cycle.

16. A printing machine especially adapted to be used in connection with a tabulating machine for perforated cards and the like, comprising a platen, a typewheel support, a typewheel rotat= ably mounted on said support adjacent said platen, said typewheel having a plurality of type elements fixed on the periphery thereof, which type elements belong to difierent groups of types, means for rotating the typewheel, means for selecting=during the rotation of the typewheel the group to which the type to be printed belongs, means for selecting within each selected group the type to be printed, means for initiating and completing both of the said selecting operations during one single revolution of the typewheel, said selecting means being adapted to cooperate with a record card, whereby the lower indications on the card cooperate with the group selecting means and the higher indications on the card cooperate with the type selecting means. 

